Hi there,
The following codes may cause the problem in R 4.3.0 on FreeBSD in my
last post: Error in as.POSIXlt.character(x, tz, ...)
> (d <- strptime("1970-01-01 12:00:00 UTC", "%Y-%m-%d %H:%M:%OS", tz = ""))
[1] "1970-01-01 12:00:00 CST"
> is.na(d)
[1] TRUE
In R 4.3.0 on windows,
> (d <- strptime("1970-01-01 12:00:00 UTC", "%Y-%m-%d %H:%M:%OS", tz = ""))
[1] "1970-01-01 12:00:00 CST"
> is.na(d)
[1] FALSE
The only difference is the result of is.na().
Best,
Jinsong
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